Home / 70,350.12-105,486.90-25,365.35

Finding the Fourth Proportional to 70,350.12, 105,486.90 and 25,365.35

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Solution

The fourth proportional to 70,350.12, 105,486.90 and 25,365.35 is: 38,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.12 : 105,486.90 = 25,365.35 : x
  2. Step 2: Convert to fraction form
    70,350.12/105,486.90 = 25,365.35/x
  3. Step 3: Cross multiply
    70,350.12x = 105,486.90 × 25,365.35
  4. Step 4: Simplify right side
    70,350.12x = 2,675,712,138.92
  5. Step 5: Solve for x
    x = 2,675,712,138.92/70,350.12
  6. Step 6: Final answer
    x = 38,034.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.